| 摘要 |
PROBLEM TO BE SOLVED: To accurately use tote boxes circulatingly within the range not losing a function. SOLUTION: An indication part 2 for indicating, so as to be changed, the information on at least the use state of a box body 10 on a re-usable box body 10. The data on at least the number of use times in the past is included in the information. When the number of use times of the tote box expires with the number of use times considered as the degree of progress of deterioration, the tote box is scrapped consistently. |
